The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2007
Filed:
Oct. 01, 2004
Takeshi Norimatsu, Kobe, JP;
Shuji Miyasaka, Neyagawa, JP;
Yoshihisa Nakatoh, Katano, JP;
Mineo Tsushima, Katano, JP;
Tomokazu Ishikawa, Toyonaka, JP;
Takeshi Norimatsu, Kobe, JP;
Shuji Miyasaka, Neyagawa, JP;
Yoshihisa Nakatoh, Katano, JP;
Mineo Tsushima, Katano, JP;
Tomokazu Ishikawa, Toyonaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
With respect to audio signal coding and decoding apparatuses, there is provided a coding apparatus that enables a decoding apparatus to reproduce an audio signal even through it does not use all of data from the coding apparatus, and a decoding apparatus corresponding to the coding apparatus. A quantization unit constituting a coding apparatus includes a first sub-quantization unit comprising sub-quantization units for low-band, intermediate-band, and high-band; a second sub-quantization unit for quantizing quantization errors from the first sub-quantization unit; and a third sub-quantization unit for quantizing quantization errors which have been processed by the first sub-quantization unit and the second sub-quantization unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile